void empathy_tp_chat_set_state (EmpathyTpChat *chat,
TelepathyChannelChatState state);
const gchar * empathy_tp_chat_get_id (EmpathyTpChat *chat);
-gchar * empathy_tp_chat_build_id (McAccount *account,
- const gchar *contact_id);
-gchar * empathy_tp_chat_build_id_for_chan (McAccount *account,
- TpChan *tp_chan);
G_END_DECLS